Last Secret Keystone: A Historical Mystery Thriller

When a cargo plane carrying an ancient vase crashes into the Atlantic, the DGSE - otherwise known as the French CIA - immediately suspect it's deliberate. The vase is believed to hold a key that gives entrance to a hidden cave on Easter Island: a site connected with ancient Egypt and an otherworldly portal discovered deep beneath the Great Pyramid of Giza.

Joey, Marie, and Boyce are once again caught up in a dangerous adventure, forced on them by a trained assassin who is on his own spiritua...